void DarwinClang::AddLinkRuntimeLib(const ArgList &Args,
ArgStringList &CmdArgs,
- const char *DarwinStaticLib) const {
+ const char *DarwinStaticLib,
+ bool AlwaysLink) const {
llvm::sys::Path P(getDriver().ResourceDir);
P.appendComponent("lib");
P.appendComponent("darwin");
P.appendComponent(DarwinStaticLib);
// For now, allow missing resource libraries to support developers who may
- // not have compiler-rt checked out or integrated into their build.
+ // not have compiler-rt checked out or integrated into their build (unless
+ // we explicitly force linking with this library).
bool Exists;
- if (!llvm::sys::fs::exists(P.str(), Exists) && Exists)
+ if (AlwaysLink || (!llvm::sys::fs::exists(P.str(), Exists) && Exists))
CmdArgs.push_back(Args.MakeArgString(P.str()));
}
getDriver().Diag(diag::err_drv_clang_unsupported_per_platform)
<< "-fsanitize=undefined";
} else {
- AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.ubsan_osx.a");
+ AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.ubsan_osx.a", true);
// The Ubsan runtime library requires C++.
AddCXXStdlibLibArgs(Args, CmdArgs);
getDriver().Diag(diag::err_drv_clang_unsupported_per_platform)
<< "-fsanitize=address";
} else {
- AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.asan_osx.a");
+ AddLinkRuntimeLib(Args, CmdArgs, "libclang_rt.asan_osx.a", true);
// The ASAN runtime library requires C++ and CoreFoundation.
AddCXXStdlibLibArgs(Args, CmdArgs);
virtual void AddLinkRuntimeLibArgs(const ArgList &Args,
ArgStringList &CmdArgs) const;
- void AddLinkRuntimeLib(const ArgList &Args, ArgStringList &CmdArgs,
- const char *DarwinStaticLib) const;
-
+ void AddLinkRuntimeLib(const ArgList &Args, ArgStringList &CmdArgs,
+ const char *DarwinStaticLib,
+ bool AlwaysLink = false) const;
+
virtual void AddCXXStdlibLibArgs(const ArgList &Args,
ArgStringList &CmdArgs) const;
--- /dev/null
+// Test sanitizer link flags on Darwin.
+
+// RUN: %clang -no-canonical-prefixes -### -target x86_64-darwin \
+// RUN: -fsanitize=address %s -o %t.o 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-ASAN %s
+
+// CHECK-ASAN: "{{.*}}ld"
+// CHECK-ASAN: libclang_rt.asan_osx.a"
+// CHECK-ASAN: "-lstdc++"
+// CHECK-ASAN: "-framework" "CoreFoundation"
+
+// RUN: %clang -no-canonical-prefixes -### -target x86_64-darwin \
+// RUN: -fPIC -shared -fsanitize=address %s -o %t.so 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-DYN-ASAN %s
+
+// CHECK-DYN-ASAN: "{{.*}}ld"
+// CHECK-DYN-ASAN: "-dylib"
+// CHECK-DYN-ASAN-NOT: libclang_rt.asan_osx.a
+// CHECK-DYN-ASAN: "-undefined"
+// CHECK-DYN-ASAN: "dynamic_lookup"
+// CHECK-DYN-ASAN-NOT: libclang_rt.asan_osx.a
+
+// RUN: %clang -no-canonical-prefixes -### -target x86_64-darwin \
+// RUN: -fsanitize=undefined %s -o %t.o 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-UBSAN %s
+
+// CHECK-UBSAN: "{{.*}}ld"
+// CHECK-UBSAN: libclang_rt.ubsan_osx.a"
+// CHECK-UBSAN: "-lstdc++"
+
+// RUN: %clang -no-canonical-prefixes -### -target x86_64-darwin \
+// RUN: -fPIC -shared -fsanitize=undefined %s -o %t.so 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-DYN-UBSAN %s
+
+// CHECK-DYN-UBSAN: "{{.*}}ld"
+// CHECK-DYN-UBSAN: "-dylib"
+// CHECK-DYN-UBSAN-NOT: libclang_rt.ubsan_osx.a
+// CHECK-DYN-UBSAN: "-undefined"
+// CHECK-DYN-UBSAN: "dynamic_lookup"
+// CHECK-DYN-UBSAN-NOT: libclang_rt.ubsan_osx.a